https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239873
Konstantin Belousov <k...@freebsd.org> changed:
What |Removed |Added
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CC| |k...@freebsd.org
--- Comment #5 from Konstantin Belousov <k...@freebsd.org> ---
(In reply to sigsys from comment #3)
These are different stack gaps. One that is controlled by STKFGAP_DISABLE is
at
the bottom of the stacks and prevent stack overflow from stomping on the
nearby mappings.
ASLR stack gap is at top, and it only makes an impression of being useful.
I just added an ELF feature control bit to disable it.
I considered adding procctl(2) but decided that it is not very useful,
ELF flag should be enough.
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